Greece Weather in September Guide for Perfect Autumn Travel
September is one of the best months to visit Greece, offering warm summer weather without the intense crowds of peak season. The sea remains beautifully warm, cities are more relaxed, and prices begin to drop slightly, making it ideal for sightseeing, beach holidays, cultural tours, and romantic honeymoon vacations.
Whether you are planning independent travel to Greece or choosing customized vacation packages and tours, this guide covers everything you need to know about Greece weather in September.
Average Weather in Greece in September
September delivers warm, sunny days with cooler evenings, creating perfect conditions for both sightseeing and beach activities.
- Athens & mainland cities: 21°C – 30°C (70°F – 86°F)
- Greek islands: 20°C – 29°C (68°F – 84°F)
- Northern Greece: 18°C – 27°C (64°F – 81°F)
- Sea temperature: Around 23°C (73°F)
- Rainfall: Very low
- Daylight: About 12.5 hours per day
The pleasant climate allows travelers to enjoy outdoor activities comfortably throughout the day.
What to Wear in Greece in September
Light summer clothing is still suitable, but evenings can be slightly cooler.
Recommended items include:
- Lightweight shirts, dresses, and shorts
- Comfortable walking shoes or sandals
- Light jacket or cardigan for evenings
- Sunglasses, hat, and sunscreen
- Swimwear for beaches and boat tours
Is September a Good Time to Visit Greece?
Yes, September is considered one of the top months for visiting Greece, combining excellent weather with fewer crowds.
Advantages of visiting in September:
- Warm sea temperatures for swimming
- Comfortable weather for sightseeing tours
- Less crowded islands and cities
- Slightly lower prices on hotels and flights
- Ideal atmosphere for honeymoon vacations
Things to consider:
- Some beach clubs close late in the month
- Ferry schedules begin to reduce gradually
Overall, September offers the perfect balance between summer energy and relaxed travel experiences.
Best Places to Visit in Greece in September
Santorini
Santorini is stunning in September, with romantic sunsets, luxury cave hotels, and calmer streets than in August, making it perfect for honeymoon vacation packages.
Mykonos
Mykonos remains lively but less crowded, offering excellent beaches, nightlife, and sightseeing tours to nearby Delos.
Crete
Crete is ideal for travelers seeking beaches, culture, and nature. The warm weather suits hiking, historical sightseeing, and coastal relaxation.
Athens
September temperatures are comfortable for exploring the Acropolis, museums, and vibrant neighborhoods like Plaka and Monastiraki.
Things to Do in Greece in September
- Swim and relax on beautiful beaches
- Join island-hopping cruises and sailing tours
- Explore archaeological sites comfortably
- Enjoy food festivals and local events
- Take sunset cruises and private boat trips
September allows travelers to enjoy the best of both summer and early autumn activities.
Greece Travel Costs and Packages in September
September marks the beginning of shoulder season, offering better value than July and August.
You can expect:
- Slightly reduced hotel rates
- More availability for flights and ferries
- Continued full operation of sightseeing tours
- Attractive travel packages for couples and families
Many tour operators promote September as one of the best months for affordable luxury honeymoon vacations and multi-destination holidays.
Greece Weather in September Compared to Other Months
September is cooler and less crowded than August but warmer than October. It offers excellent swimming conditions while providing more comfortable temperatures for sightseeing and city exploration.
Tips for Traveling to Greece in September
- Book popular hotels early, especially in Santorini and Mykonos
- Pack light layers for evenings
- Enjoy outdoor sightseeing during midday
- Check updated ferry schedules
- Consider quieter islands for peaceful holidays
Final Thoughts: Is Greece Worth Visiting in September?
Without a doubt, Greece in September is exceptional. You enjoy warm seas, sunny days, relaxed destinations, and better travel value compared to peak summer.
Whether you are planning cultural sightseeing tours, beach holidays in Greece, or unforgettable honeymoon vacations, September offers ideal conditions and memorable experiences across Greece.

Frequently Asked Questions (FAQ)
- Is Greece still hot in September?
Yes, Greece remains warm in September, but temperatures are more comfortable than in July and August, making travel and sightseeing enjoyable.
- Can you swim in Greece in September?
Absolutely. The sea is still warm from summer, perfect for swimming, snorkeling, sailing, and other water activities throughout the islands.
- Are tourist attractions crowded in September?
Crowds decrease significantly after August, allowing more relaxed sightseeing at major attractions and popular islands.
- Is September good for honeymoon vacations in Greece?
Yes, September offers romantic weather, fewer crowds, luxury hotels, and excellent honeymoon vacation packages at better prices.
- Are travel packages cheaper in September?
Yes, many Greece travel packages and tours become more affordable in September compared to peak summer months, offering excellent value.
